【正文】 ..................................................... 17 檢查和包裝 ................................................... 17 4 主要設(shè)備選擇及參數(shù)的確定 .....................................................................19 設(shè)備組成 ......................................................... 19 機組設(shè)備 .......................................................... 19 酸洗 — 冷軋聯(lián)合機組 .......................................... 19 罩式退火爐 .................................................. 23 單機架平整機 ................................................ 26 連續(xù)熱鍍鋅機組 .............................................. 28 電鍍鋅機組 .................................................. 31 橫切機組 .................................................... 32 縱剪機組 ..................................................... 33 重卷機組 ..................................................... 34 5 軋制制度的制定 ...........................................................................................35 軋制制度選擇的依據(jù) ................................................ 35 原料的選擇 ........................................................ 35 工藝制度的確定 .................................................... 37 壓下系數(shù)的分配 ............................................... 37 張力制度 ..................................................... 39 軋制速度制度 ................................................. 40 軋輥輥型制度 ................................................. 43 軋制力的計算 ..................................................... 45 軋輥輥型、軋輥直徑及摩擦系數(shù)選擇 ............................ 45 各道次軋制力計算 ........................................... 47 6 設(shè)備校核 .......................................................................................................50 軋輥校核 ......................................................... 50 軋輥咬入能力校核 ............................................. 50 軋輥強度校核 ................................................. 50 軋輥參數(shù)的確定 ............................................... 51 軋輥強度校核 ...................................................... 52 工作輥強度計算 .............................................. 53 支撐輥強度計算 ............................................... 55 支持輥與工作輥接觸應(yīng)力計算 .................................. 56 電機功率校核 ...................................................... 56 7 .車間年產(chǎn)量計算 ...........................................................................................58 軋機工作圖表 ...................................................... 58 軋機軋制節(jié)奏的確定 ................................................ 59 軋機小時產(chǎn)量 ...................................................... 60 軋機平均小時產(chǎn)量計算 .............................................. 61 遼寧科技大學(xué)本科生畢業(yè)設(shè)計（論文） [ V 車間年產(chǎn)量計算 .................................................... 62 8 各項技術(shù)經(jīng)濟指標(biāo) ........................................................................................63 技術(shù)經(jīng)濟指標(biāo) ............................................................................................................ 63 各項技術(shù)經(jīng)濟指標(biāo)的確定 ........................................................................................ 63 環(huán)境保護(hù) ..................................................................................................................... 65 軋鋼廠主要生產(chǎn)工序污染物分析 ................................. 65 有害污染物發(fā)生源主要部位 ..................................... 67 污染物的控制和處理 ........................................... 68 9 車間平面布置 ................................................................................................69 倉庫面積計算 ...................................................... 69 原料倉庫面積 ................................................ 69 中間倉庫面積 ................................................ 70 成品倉庫面積 ................................................ 71 其它面積 .................................................... 71 設(shè)備間距確定 ...................................................... 71 軋機機列間的距離 ............................................ 72 軋機到切斷設(shè)備的距離 ........................................ 72 車間跨距組成 ...................................................... 72 參考文獻(xiàn) ..........................................................................................................73 專題：冷軋板表面縱向條紋缺陷成因分析 ....................................................74 ......................................................................................................75 ...............................................................................................75 3 . 生產(chǎn)工藝分析 .............................................................................................76 3. 1. 熱軋來料表面粗糙度測量 .......................................... 76 3. 2. 冷軋工藝排查 .................................................... 76 4. 縱向條紋缺陷成因分析 ..............................................................................76 4. 1. 熱軋來料原始粗糙度對縱向條紋缺陷的影響 ........................... 77 4. 2. 冷軋輥粗糙度對縱向條紋缺陷的影響 ................................ 77 4. 3. 冷軋軋制速度對縱向條紋缺陷的影響 ................................. 77 4. 4. 冷軋平整工藝對縱向條紋缺陷的影響 ................................ 78 5. 結(jié)語 .............................................................................................................78 參考文獻(xiàn) ..........................................................................................................78 致謝 ..................................................................................................................79 遼寧科技大學(xué)本科生畢業(yè)設(shè)計（論 文） 第 1 頁 鋼鐵作為基礎(chǔ)的資料，在國民經(jīng)濟中有著舉足輕重的地位。 關(guān)鍵詞 ： 冷軋帶鋼 ；工藝設(shè)計；產(chǎn)品方案 ； 工藝流程 ； 金屬平衡表 ；冷軋板 遼寧科技大學(xué)本科生畢業(yè)設(shè)計（論文） [ II ABSTRACT This thesis is the plant design of a coldrolled steel strip plant with annual capacity of tons. The typical product is 45 steel, 1500 mm. The main equipments of the design are the latest ones in coldstrip rolling, whic